Dr. lópez believes that he may have discovered how observational learning happens in the brain. his research showed that when one person watches someone else reach into a box to retrieve an object, specific neurons become active. dr. lópez has probably found

Dr. López has probably found "mirror neurons".

A mirror neuron is a neuron that flames both when a creature acts and when the creature watches a similar activity performed by another. Hence, the neuron "mirrors" the conduct of alternate, as if the onlooker were itself acting. Such neurons have been straight forwardly seen in primate species.

in 342 bc j._c. egypt fell into the hands of the persians, under the reign of nectanebo ii

greek city-states unite in a revolt against the persian empire at the beginning of the fifth century bc. j.-c  

from the year 660 or 659 bc ad, cyrus preached the revolt against the medes to deliver the persians.